Gyroallongée pentagonal rotunda
In Geometry, the gyroallongée pentagonal rotunda is one of the solid of Johnson ( J 25). As the name indicates it, it can be built by gyroallongeant a pentagonal Rotonde ( J 6) by attaching a Antiprisme décagonal to its base. It can be seen as a pentagonal Birotonde gyroallongée ( J 48) which one removed a pentagonal rotunda.
The 92 solid of Johnson were named and described by Norman Johnson in 1966.
External bond
- solids of Johnson on the site MathWorld
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